During release_sock we use callbacks to finish the processing
of outstanding skbs on the socket. We actually are still locked,
sk_locked.owned == 1, but we already told lockdep that the mutex
is released. This could lead to false positives in lockdep for
lockdep_sock_is_held (we don't hold the sloc
The socket is either locked if we hold the slock spin_lock for
lock_sock_fast and unlock_sock_fast or we own the lock (sk_lock.owned
!= 0). Check for this and at the same time improve that the current
thread/cpu is really holding the lock.
Signed-off-by: Hannes Frederic Sowa
---
include/net/sock
First patch is from Eric Dumazet and improves lockdep accuracy for
socket locks. After that, second patch introduces lockdep_sock_is_held
and uses it. Final patch reverts and reworks the lockdep fix from Daniel
in the filter code, as we now have tighter lockdep support.
Hannes Frederic Sowa (3):
On 05/04/16 05:32, Herbert Xu wrote:
> On Mon, Apr 04, 2016 at 09:26:55PM -0700, Alexander Duyck wrote:
>> The question I would have is what are you really losing with increment
>> from 0 versus fixed 0? From what I see it is essentially just garbage
>> in/garbage out.
> GRO is meant to be lossles
On Fri, Apr 01, 2016 at 06:04:19AM -0700, Eric Dumazet wrote:
> On Fri, 2016-04-01 at 12:49 +0800, Jason Wang wrote:
> >
> > On 04/01/2016 10:55 AM, Eric Dumazet wrote:
> > > On Fri, 2016-04-01 at 10:13 +0800, Jason Wang wrote:
> > >
> > >
> > >> The problem is we want to support busy polling for
[removing intel-wired-...@lists.osuosl.org as I have no interest in the
annoying "awaits moderator approval" emails]
On Tue, 5 Apr 2016 16:25:07 +0200, Jiri Benc wrote:
> The Kconfig for Intel NICs references two different URLs for the "Adapter
> & Driver ID Guide". Neither of those two links wor
I got the following message:
> Your mail to 'Intel-wired-lan' with the subject
>
> [PATCH net-next] net: intel: remove dead links
>
> Is being held until the list moderator can review it for approval.
>
> The reason it is being held:
>
> Post by non-member to a members-only list
Mark the
The Kconfig for Intel NICs references two different URLs for the "Adapter
& Driver ID Guide". Neither of those two links works. The current URL seems
to be
http://www.intel.com/content/www/us/en/support/network-and-i-o/ethernet-products/05584.html
but given it's apparently constantly changing,
On Mon, Apr 04, 2016 at 09:52:48PM -0700, Alexei Starovoitov wrote:
> introduce BPF_PROG_TYPE_TRACEPOINT program type and allow it to be
> attached to tracepoints.
More specifically the perf tracepoint handler, not tracepoints directly.
> The tracepoint will copy the arguments in the per-cpu buff
This fixes the error handling in the function xfrm_get_addr by
checking if the call to ipv6_dev_get_saddr has failed and if
so return -EADDRNOTAVAIL to signal to the caller of xfrm6_get_addr
that the call has failed the error should be handled by the caller
while also freeing the dst_entry structur
From: Liping Zhang
A socket can use bind(directly) or connect(indirectly) to bind to a local
ip address, and later if the network becomes down, that cause the source
address becomes nonlocal, then send() call will fail and return EINVAL.
But this error code is confusing, acctually we did not pass
From: Liping Zhang
This patch version 2 spilt the original patch into 2 patches, because it fix
two separate problems actually.
Liping Zhang (2):
net: socket: return EADDRNOTAVAIL when source address becomes
nonlocal
net: socket: return EADDRNOTAVAIL when IPV6_PKTINFO's ipi6_addr is
From: Liping Zhang
We can use IPV6_PKTINFO to specify the ipv6 source address when call
sendmsg() to send packet, but if the address is not available, call will
fail and EINVAL is returned. This error code is not very appropriate,
it failed maybe just because of a temporary network problem, i.e.
Hi,
Hope this email finds you well!
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from USA?
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On Tue, 5 Apr 2016 10:50:57 -0300, Tom Herbert wrote:
> I requested input from VXLAN protocol experts on whether RCO is
> architecturally correct in VXLAN and whether we are using the right
> fields both on the mailing list and in WG meeting yesterday @IETF.
> Have not gotten any response, so I am
On Tue, Apr 5, 2016 at 9:47 AM, Jiri Benc wrote:
> Implement VXLAN-GPE. Only COLLECT_METADATA is supported for now (it is
> possible to support static configuration, too, if there is demand for it).
>
> The GPE header parsing has to be moved before iptunnel_pull_header, as we
> need to know the pr
Sure, please send. It will be reviewed like any other patch. :)
-Original Message-
From: Daniel Walker [mailto:danie...@cisco.com]
Sent: Tuesday, April 05, 2016 02:04
To: Ruinskiy, Dima; Kirsher, Jeffrey T; Brandeburg, Jesse; Nelson, Shannon;
Wyborny, Carolyn; Skidmore, Donald C; Allan,
On Mon, 4 Apr 2016, Anna-Maria Gleixner wrote:
> Since commit 1cf4f629d9d2 ("cpu/hotplug: Move online calls to
> hotplugged cpu") it is ensured that callbacks of CPU_ONLINE and
> CPU_DOWN_PREPARE are processed on the hotplugged cpu. Due to this SMP
> function calls are no longer required.
>
> Rep
This is for the recent kcm driver, which introduces AF_KCM(41) in
b7ac4eb(kcm: Kernel Connection Multiplexor module).
Signed-off-by: Dexuan Cui
Cc: Signed-off-by: Tom Herbert
---
net/core/sock.c | 9 ++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/net/core/sock.c b/net/c
This will allow to initialize vxlan in ARPHRD_NONE mode based on the passed
rtnl attributes.
v2: renamed "l2mode" to "ether".
Signed-off-by: Jiri Benc
---
drivers/net/vxlan.c | 20 +---
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/drivers/net/vxlan.c b/drivers/
Allow calling of iptunnel_pull_header without special casing ETH_P_TEB inner
protocol.
Signed-off-by: Jiri Benc
---
New in v2.
---
include/net/ip_tunnels.h | 11 +--
net/ipv4/ip_tunnel_core.c | 8
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/include/net/ip_t
Handle VXLAN_F_COLLECT_METADATA before VXLAN_F_PROXY. The latter does not
make sense with the former, as it needs populated fdb which does not happen
in metadata mode.
After this cleanup, the fdb code in vxlan_xmit is moved to a common location
and can be later skipped for VXLAN-GPE which does not
Implement VXLAN-GPE. Only COLLECT_METADATA is supported for now (it is
possible to support static configuration, too, if there is demand for it).
The GPE header parsing has to be moved before iptunnel_pull_header, as we
need to know the protocol.
v2: Removed what was called "L2 mode" in v1 of the
v3: just rebased on top of the current net-next, no changes
This patchset implements VXLAN-GPE. It follows the same model as the tun/tap
driver: depending on the chosen mode, the vxlan interface is created either
as ARPHRD_ETHER (non-GPE) or ARPHRD_NONE (GPE).
Note that the internal fdb control p
Hi,
Forgive me if these questions are obvious, I am not a kernel developer.
>From what I am reading here:
http://lists.linuxfoundation.org/pipermail/virtualization/2015-December/030935.html
The code has been removed from mainline, is it queued for 4.6? If not,
when are you planning on re-submittin
On Mon, Apr 04, 2016 at 09:52:47PM -0700, Alexei Starovoitov wrote:
> avoid memset in perf_fetch_caller_regs, since it's the critical path of all
> tracepoints.
> It's called from perf_sw_event_sched, perf_event_task_sched_in and all of
> perf_trace_##call
> with this_cpu_ptr(&__perf_regs[..]) wh
On 1 April 2016 at 05:07, Yangbo Lu wrote:
> This patchset is used to fix a host version register bug in the
> T4240-R1.0-R2.0
> eSDHC controller. To get the SoC version and revision, it's needed to add the
> GUTS driver to access the global utilities registers.
>
> So, the first three patches ar
On Tue, Apr 5, 2016 at 3:07 AM, Ben Hutchings wrote:
> On Tue, 2016-04-05 at 04:22 -0400, Michael Chan wrote:
>
>> Allow users to get|set EEE parameters.
>>
>> Signed-off-by: Michael Chan
>> ---
>> drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 73
>> +++
>> 1 file chan
On Fri, Apr 01, 2016 at 11:07:30AM +0800, Yangbo Lu wrote:
> Move mpc85xx.h to include/linux/fsl and rename it to svr.h as
> a common header file. It has been used for mpc85xx and it will
> be used for ARM-based SoC as well.
>
> Signed-off-by: Yangbo Lu
> Acked-by: Wolfram Sang
Acked-by: Joerg
Hello,
I have this (rather old) USB ethernet device but I cannot use it because
it crashes my machine.
Simply plugging in the adapter and causing some traffic (pinging the
gateway will do) causes an oops. With older kernels (3.10-3.19) this was
generally nearly instant. With the current kern
On Tue, 2016-04-05 at 04:22 -0400, Michael Chan wrote:
> Allow users to get|set EEE parameters.
>
> Signed-off-by: Michael Chan
> ---
> drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 73
> +++
> 1 file changed, 73 insertions(+)
>
> diff --git a/drivers/net/ethernet/br
BPF_ALU32 and BPF_ALU64 tests for adding two 32-bit values that results in
32-bit overflow.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 64 +
Some of these tests proved useful with the powerpc eBPF JIT port due to
sign-extended 16-bit immediate loads. Though some of these aspects get
covered in other tests, it is better to have explicit tests so as to
quickly tag the precise problem.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "Dav
Unsigned Jump-if-Greater-Than.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 29 +
1 file changed, 29 insertions(+)
diff
JMP_JSET tests incorrectly used BPF_JNE. Fix the same.
Cc: Alexei Starovoitov
Cc: Daniel Borkmann
Cc: "David S. Miller"
Cc: Ananth N Mavinakayanahalli
Cc: Michael Ellerman
Cc: Paul Mackerras
Signed-off-by: Naveen N. Rao
---
lib/test_bpf.c | 8
1 file changed, 4 insertions(+), 4 de
Hi Dmitrijs,
Thanks for reporting this problem.
> The patch below corrects this problem in kernel space.
I don't think that this is correct, there are four more users of
NETLINK_URELEASE (nfnetlink, NFC), and afaict all of them have the same
bug as nl80211.
Rather than fix all of them, I think
On Mon, 4 Apr 2016 13:00:34 -0700 Alexei Starovoitov
wrote:
> As seen in 'perf report' from patch 5:
> 3.32% ksoftirqd/1[kernel.vmlinux] [k] sk_load_byte_positive_offset
> this is 14Mpps and 4 assembler instructions in the above function
> are consuming 3% of the cpu.
At this level we
On Fri, 2016-03-18 at 19:23 +, Luis de Bethencourt wrote:
> Commit 976bd9efdae6 ("mac80211: move beacon_loss_count into ifmgd")
> removed the member from the sta_info struct but the description
> stayed
> lingering. Remove it.
>
Also applied.
johannes
On Fri, 2016-03-18 at 16:09 +, Luis de Bethencourt wrote:
> Add documentation for the flag for duplication check.
>
> Fixes the following warning when running make htmldocs:
> warning: Enum value 'RX_FLAG_DUP_VALIDATED' not described in enum
> 'mac80211_rx_flags'
>
Applied, thanks.
johannes
The check in vmci_transport_peer_detach_cb should only allow a
detach when the qp handle of the transport matches the one in
the detach message.
Testing: Before this change, a detach from a peer on a different
socket would cause an active stream socket to register a detach.
Reviewed-by: George Zh
Check that the forced speed is a valid speed supported by firmware.
If not supported, return -EINVAL.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 48 ++-
1 file changed, 38 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethern
If autoneg is off, we should always report the speed and duplex settings
even if it is link down so the user knows the current settings. The
unknown speed and duplex should only be used for autoneg when link is
down.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtoo
From: Rob Swindell
Provide details about the NVM device and the firmware version, etc, via
the Ethtool GEEPROM command.
Signed-off-by: Rob Swindell
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 60 +--
1 file changed, 55 insertions(+),
1. Add bnxt_hwrm_set_eee() function to setup EEE firmware parameters based
on the bp->eee settings.
2. The new function bnxt_eee_config_ok() will check if EEE parameters need
to be modified due to autoneg changes.
3. bnxt_hwrm_set_link() has added a new parameter to update EEE. If the
parameter is
Make use of the new AUTONEG_PAUSE bit in the new interface to better
control autoneg flow control settings, independent of RX and TX
advertisement settings.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 28 +++
drivers/net/ethernet/broadc
Currently, the driver only sets bit 0 of the async_event_fwd fields.
To be compatible with the latest spec, we need to set the
appropriate event bits handled by the driver. We should be handling
link change and PF driver unload events, so these 2 bits should be
set.
Signed-off-by: Michael Chan
-
Use new field names in API structs and stop using deprecated fields
auto_link_speed and auto_duplex in phy_cfg/phy_qcfg structs.
Update copyright year to 2016.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 20 +-
drivers/net/ethernet/broadcom/bnxt/bnxt.h
Get EEE capability and the initial EEE settings from firmware.
Add "EEE is active | not active" to link up dmesg.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 82 ++-
drivers/net/ethernet/broadcom/bnxt/bnxt.h | 4 ++
drivers/net
Add the PORT_CONN_NOT_ALLOWED async event handling logic. The driver
will print an appropriate warning to reflect the SFP+ module enforcement
policy done in the firmware.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 55 +++
drivers/net/
Update to latest firmware interface, add EEE feature, unsupported SFP+
module warning, GEEPROM support, and ethtool -s improvements.
Michael Chan (9):
bnxt_en: Update to Firmware 1.2.2 spec.
bnxt_en: Improve flow control autoneg with Firmware 1.2.1 interface.
bnxt_en: Add basic EEE support.
Allow users to get|set EEE parameters.
Signed-off-by: Michael Chan
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 73 +++
1 file changed, 73 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethto
On Tue, 5 Apr 2016 00:07:14 +0200 Thomas Graf wrote:
> On 04/03/16 at 12:02am, Brenden Blanco wrote:
> > On Sat, Apr 02, 2016 at 12:39:45PM -0400, Tom Herbert wrote:
> > > Is there a hard restriction that this could only work with physical
> > > devices?
> > I suppose not, but there wouldn'
From: Ido Schimmel
Since there can be multiple switch ASICs on the same system we should
use the switch ID in order to differentiate between them and set the
switch name (e.g. swX) accordingly.
Also, replace the order of the "Switch ID" and "Port Netdev Naming"
sections following the above chang
From: Jiri Pirko
Ido Schimmel (3):
mlxsw: spectrum: Reduce number of supported 802.1D bridges
switchdev: Use switch ID in suggested udev rule
mlxsw: spectrum: Add support for physical port names
Documentation/networking/switchdev.txt | 28
drivers/net/ethernet/mel
Hi Mugunthan,
On Fri, Jul 31, 2015 at 2:22 PM, Yegor Yefremov
wrote:
> We experience massive problems, when putting am335x based devices into
> high broadcast load environment (customer reports). To reproduce the
> issue we've written following Python script
>
> #!/usr/bin/python
> # Send UDP bro
From: Ido Schimmel
Resources allocated for these bridges at init time cannot be later used
for other purposes. While current number is supported by the device,
it's mostly theoretical with regards to any real use case, which leads
to poor utilization of device's resources. Solve that by reducing
From: Ido Schimmel
Export to userspace the front panel name of the port, so that udev can
rename the ports accordingly. The convention suggested by switchdev
documentation is used:
1) Non-split: pX
2) Split: pXsY
Signed-off-by: Ido Schimmel
Signed-off-by: Jiri Pirko
---
drivers/net/ethernet/
On Tue, 2016-04-05 at 01:01 -0700, Jeff Kirsher wrote:
> From: Bruce Allan
>
> Use BUILD_BUG_ON() instead of BUG_ON() where appropriate to get a compile
> error rather than crash the kernel.
>
> Signed-off-by: Bruce Allan
> Acked-by: Alexander Duyck
> Tested-by: Krishneil Singh
> Signed-off-b
On Mon, 4 Apr 2016 19:25:08 -0700
Alexei Starovoitov wrote:
> On Tue, Apr 05, 2016 at 12:04:39AM +0200, Thomas Graf wrote:
> > On 04/04/16 at 01:00pm, Alexei Starovoitov wrote:
> > > Exactly. That the most important part of this rfc.
> > > Right now redirect to different queue, batching, prefe
From: Jacob Keller
In fm10k_set_num_queues, we previously assigned the base template. This
would always be overwritten by either fm10k_set_qos_queues or
fm10k_set_rss_queues. In either case, we don't need the base values, so
we can just remove them.
Signed-off-by: Jacob Keller
Tested-by: Krishn
This series contains updates to fm10k only.
Bruce provides nearly half of the patches in the series, most of which do
general cleanup of the driver. These include semantic cleanups,
checkpatch.pl fixes, update driver to use BIT() kernel macro, use
BUILD_BUG_ON() where appropriate and use ether_ad
From: Bruce Allan
If 'attr_flag < (1 << (2 * FM10K_TEST_MSG_NESTED))' is ever false, err
will be used uninitialized.
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 2 +-
1 file changed, 1 insertion(+),
From: Jacob Keller
fm10k_stop_hw_generic calls fm10k_disable_queues_generic, which may
return an error code indicating that the queues were not stopped within
the time limit. Notify the user by displaying a message in the kernel
message ring, in a similar way to how we notify the user when reset_
From: Jacob Keller
The fm10k driver used its own code for generating a default indirection
table on device load, which was not the same as the default generated by
ethtool when indir_size of 0 is passed to SRXFH. Take advantage of
ethtool_rxfh_indir_default() and simplify code to write the redire
From: Bruce Allan
Use BUILD_BUG_ON() instead of BUG_ON() where appropriate to get a compile
error rather than crash the kernel.
Signed-off-by: Bruce Allan
Acked-by: Alexander Duyck
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c |
From: Jacob Keller
Delay initialization of the service timer and service task until late
probe. If we don't wait, failures in probe do not properly cleanup the
service timer or service task items, which results in the kernel panic
below, potentially freezing the whole system. In addition, ensure
From: Bruce Allan
The semantic patch that makes this change is available
in scripts/coccinelle/misc/compare_const_fl.cocci.
More information about semantic patching is available at
http://coccinelle.lip6.fr/
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
--
From: Jacob Keller
During fm10k_io_error_detected we were clearing the interrupt scheme
before we freed the MBX IRQ. This causes a kernel panic because the MBX
IRQ are assigned after MSI-X initialization. Clearing the interrupt
scheme results in removing the MSI-X entry table. Fix this by freeing
From: Jacob Keller
According to the C standard dereferencing a variable before it is
checked invokes undefined behavior, and thus compilers are free to
assume the check for NULL isn't necessary. Prevent this by re-ordering
the NULL check of msix_entries in fm10k_free_mbx_irq.
Signed-off-by: Jaco
From: Bruce Allan
We don't need to crash the kernel in this instance so just warn about the
condition and play on.
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 2 +-
1 file changed, 1 insertion(+), 1 dele
From: Bruce Allan
Cleanup the remaining instances of using memcpy() instead of the preferred
ether_addr_copy().
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 4 ++--
1 file changed, 2 insertions(+), 2 dele
From: Bruce Allan
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_ptp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c
b/drivers/net/ethernet/intel/f
From: Jacob Keller
s/funciton/function to resolve a typo, and cleanup grammar on a few
comments regarding processing the VF mailboxes.
Signed-off-by: Jacob Keller
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k_iov.c| 4 ++--
drivers/net/
From: Jacob Keller
Reduce duplicate code and the amount of indentation by adding
fm10k_add_stat_strings and fm10k_add_ethtool_stats functions which help
add fm10k_stat structures to the ethtool stats callbacks. This helps
increase ease of use for future stat additions, and increases code
readabil
From: Bruce Allan
Use BIT() macro instead.
Signed-off-by: Bruce Allan
Tested-by: Krishneil Singh
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/fm10k/fm10k.h | 12 ++--
drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 20 +---
drivers/net/etherne
From: Jacob Keller
Fix a kernel panic that occurs during surprise removal. Clear the
interface queue counts upon fm10k_init_msix_capability failure. This
prevents further code (fm10k_update_stats etc.) from attempting to
access unallocated queue vector or ring memory.
[ 628.692648] BUG: unable
Hi, Leon Romanovsky
On 2016/4/2 9:58, Leon Romanovsky wrote:
> On Fri, Apr 01, 2016 at 05:21:31PM +0800, Lijun Ou wrote:
>> The driver for HiSilicon RoCE is a platform driver.
>> The driver will support multiple versions of hardware. Currently only "v1"
>> for hip06 SoC is supported.
>> The driver
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